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https://www.readbyqxmd.com/read/28903175/chelant-enhanced-washing-of-cca-contaminated-soil-coupled-with-selective-dissolution-or-soil-stabilization
#1
Jingzi Beiyuan, Abbe Y T Lau, Daniel C W Tsang, Weihua Zhang, Chih-Ming Kao, Kitae Baek, Yong Sik Ok, Xiang-Dong Li
Remediation of CCA-contaminated soil (Cr, Cu, and As) by biodegradable chelant-enhanced washing (EDDS, S,S-ethylene-diamine-disuccinic-acid) needs further enhancement. This study investigated the effectiveness of coupling with pre-treatment by selective dissolution and post-treatment by soil amendments, respectively. Three groups of reagents (reductants, alkaline solvents, and organic ligands) were adopted in the pre-treatment to dissolve the oxide minerals before EDDS extraction. In the post-treatment, soil amendments (coal fly ash (CFA), acid mine drainage sludge (AMDS), green waste compost (GWC)), and their mixtures) were used for a 2-month stabilization after 2-h EDDS washing...
September 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28895025/leaching-variations-of-heavy-metals-in-chelator-assisted-phytoextraction-by-zea-mays-l-exposed-to-acid-rainfall
#2
Yayin Lu, Dinggui Luo, Lirong Liu, Zicong Tan, An Lai, Guowei Liu, Junhui Li, Jianyou Long, Xuexia Huang, Yongheng Chen
Chelant-enhanced phytoextraction method has been put forward as an effective soil remediation method, whereas the heavy metal leaching could not be ignored. In this study, a cropping-leaching experiment, using soil columns, was applied to study the metal leaching variations during assisted phytoextraction of Cd- and Pb-polluted soils, using seedlings of Zea mays, applying three different chelators (EDTA, EDDS, and rhamnolipid), and artificial rainfall (acid rainfall or normal rainfall). It showed that artificial rainfall, especially artificial acid rain, after chelator application led to the increase of heavy metals in the leaching solution...
September 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28892231/genome-wide-analysis-of-bacterial-determinants-of-plant-growth-promotion-and-induced-systemic-resistance-by-pseudomonas-fluorescens
#3
Xu Cheng, Desalegn W Etalo, Judith E van de Mortel, Ester Dekkers, Linh Nguyen, Marnix H Medema, Jos M Raaijmakers
Pseudomonas fluorescens strain SS101 (Pf.SS101) promotes growth of Arabidopsis thaliana, enhances greening and lateral root formation, and induces systemic resistance (ISR) against the bacterial pathogen Pseudomonas syringae pv. tomato (Pst). Here, targeted and untargeted approaches were adopted to identify bacterial determinants and underlying mechanisms involved in plant growth promotion and ISR by Pf.SS101. Based on targeted analyses, no evidence was found for volatiles, lipopeptides and siderophores in plant growth promotion by Pf...
September 11, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28883519/monolithic-chip-for-high-throughput-blood-cell-depletion-to-sort-rare-circulating-tumor-cells
#4
Fabio Fachin, Philipp Spuhler, Joseph M Martel-Foley, Jon F Edd, Thomas A Barber, John Walsh, Murat Karabacak, Vincent Pai, Melissa Yu, Kyle Smith, Henry Hwang, Jennifer Yang, Sahil Shah, Ruby Yarmush, Lecia V Sequist, Shannon L Stott, Shyamala Maheswaran, Daniel A Haber, Ravi Kapur, Mehmet Toner
Circulating tumor cells (CTCs) are a treasure trove of information regarding the location, type and stage of cancer and are being pursued as both a diagnostic target and a means of guiding personalized treatment. Most isolation technologies utilize properties of the CTCs themselves such as surface antigens (e.g., epithelial cell adhesion molecule or EpCAM) or size to separate them from blood cell populations. We present an automated monolithic chip with 128 multiplexed deterministic lateral displacement devices containing ~1...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28876268/single-and-combined-removal-of-cr-vi-and-cd-ii-by-nanoscale-zero-valent-iron-in-the-absence-and-presence-of-edds
#5
Haoran Dong, Yalan Zeng, Yankai Xie, Qi He, Feng Zhao, Yang Wang, Guangming Zeng
This study examined the feasibility of nanoscale zero-valent iron (nZVI) for the single and combined removal of Cr(VI) and Cd(II) with or without ethylene diamine disuccinic acid (EDDS). The effects of pH and dissolved oxygen (DO) on the removal process were investigated. Results show that the single removal of either Cr(VI) or Cd(II) by nZVI was pH dependent, where the higher Cr(VI) removal was achieved under acidic conditions, whereas the higher Cd(II) removal was achieved under alkaline conditions. The presence of DO enhanced Cd(II) removal but inhibited Cr(VI) removal under alkaline conditions...
September 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28855584/non-equilibrium-inertial-separation-array-for-high-throughput-large-volume-blood-fractionation
#6
Baris R Mutlu, Kyle C Smith, Jon F Edd, Priyanka Nadar, Mcolisi Dlamini, Ravi Kapur, Mehmet Toner
Microfluidic blood processing is used in a range of applications from cancer therapeutics to infectious disease diagnostics. As these applications are being translated to clinical use, processing larger volumes of blood in shorter timescales with high-reliability and robustness is becoming a pressing need. In this work, we report a scaled, label-free cell separation mechanism called non-equilibrium inertial separation array (NISA). The NISA mechanism consists of an array of islands that exert a passive inertial lift force on proximate cells, thus enabling gentler manipulation of the cells without the need of physical contact...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28831953/a-cluster-randomised-control-trial-of-a-multi-component-weight-management-programme-for-adults-with-intellectual-disabilities-and-obesity
#7
RANDOMIZED CONTROLLED TRIAL
Leanne Harris, Catherine Hankey, Nathalie Jones, Carol Pert, Heather Murray, Janet Tobin, Susan Boyle, Craig Melville
There have been few published controlled studies of multi-component weight management programmes that include an energy deficit diet (EDD), for adults with intellectual disabilities and obesity. The objective of this study was to conduct a single-blind, cluster randomised controlled trial comparing a multi-component weight management programme to a health education programme. Participants were randomised to either TAKE 5, which included an EDD or Waist Winners Too (WWToo), based on health education principles...
August 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28826210/the-experiment-data-depot-a-web-based-software-tool-for-biological-experimental-data-storage-sharing-and-visualization
#8
William Morrell, Garrett Birkel, Mark Forrer, Teresa Lopez, Tyler Backman, Michael Dussault, Christopher J Petzold, Edward E K Baidoo, Zak Costello, David Ando, Jorge Alonso Gutierrez, Kevin George, Aindrila Mukhopadhyay, Ian Vaino, Jay D Keasling, Paul D Adams, Nathan J Hillson, Hector Garcia Martin
Although recent advances in synthetic biology allow us to produce biological designs more efficiently than ever, our ability to predict the end result of these designs is still nascent. Predictive models require large amounts of high-quality data to be parametrized and tested, which are not generally available. Here, we present the Experiment Data Depot (EDD), an online tool designed as a repository of standardized experimental data and metadata. EDD provides a convenient way to upload a variety of data types, visualize these data, and export them in a standardized fashion for use with predictive algorithms...
August 21, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28820443/omega-3-polyunsaturated-fatty-acids-improve-endothelial-dysfunction-in-chronic-renal-failure-role-of-enos-activation-and-of-oxidative-stress
#9
Michela Zanetti, Gianluca Gortan Cappellari, Davide Barbetta, Annamaria Semolic, Rocco Barazzoni
BACKGROUND: Endothelial dysfunction is a key vascular alteration in chronic kidney disease (CKD). Omega 3 (n-3) polyunsaturated fatty acids (PUFA) reduce vascular oxidative stress and inflammation. We investigated whether n-3 PUFA could reverse endothelial dysfunction in CKD by improving endothelial nitric oxide synthase (eNOS) function and oxidative stress. METHODS: 5/6 nephrectomized male Wistar rats (CKD; n = 10) and sham operated animals (SHAM; n = 10) were treated for 6 weeks with standard diet...
August 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28811467/the-mtorc1-4e-bp-eif4e-axis-controls-de-novo-bcl6-protein-synthesis-in-t-cells-and-systemic-autoimmunity
#10
Woelsung Yi, Sanjay Gupta, Edd Ricker, Michela Manni, Rolf Jessberger, Yurii Chinenov, Henrik Molina, Alessandra B Pernis
Post-transcriptional modifications can control protein abundance, but the extent to which these alterations contribute to the expression of T helper (TH) lineage-defining factors is unknown. Tight regulation of Bcl6 expression, an essential transcription factor for T follicular helper (TFH) cells, is critical as aberrant TFH cell expansion is associated with autoimmune diseases, such as systemic lupus erythematosus (SLE). Here we show that lack of the SLE risk variant Def6 results in deregulation of Bcl6 protein synthesis in T cells as a result of enhanced activation of the mTORC1-4E-BP-eIF4E axis, secondary to aberrant assembly of a raptor-p62-TRAF6 complex...
August 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28806652/applicability-of-alkaline-precipitation-for-the-recovery-of-edds-spent-solution
#11
Marco Race
This paper presents an innovative procedure for the recovery of SS-ethylenediamine-N,N'-disuccinic acid (EDDS) solution used for soil washing processes. The procedure is derived from that applied for the recovery of ethylenediamine-tetraacetic acid (EDTA), modifying and optimizing the choice of the chemical agents used for the protonation of the chelant, the exchange of the metals, and the final precipitation of the unwanted compounds. To select the reagents and test the proposed approach, an experimental study was conducted on real EDDS spent solutions, obtained washing a Cu and Zn real contaminated soil...
August 11, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28803155/assisted-phytoremediation-of-a-multi-contaminated-soil-investigation-on-arsenic-and-lead-combined-mobilization-and-removal
#12
Meri Barbafieri, Francesca Pedron, Gianniantonio Petruzzelli, Irene Rosellini, Elisabetta Franchi, Roberto Bagatin, Marco Vocciante
The removal of contaminants from an earthy matrix by phytoremediation requires the selection of appropriate plant species and a suitable strategy to be effective. In order to set up an assisted phytoremediation intervention related to a disused industrial site affected by an arsenic and lead complex contamination, an extensive experimental investigation on micro and mesocosm scale has been conducted. Particular attention was given to the choice of plant species: using crop plants (Lupinus albus, Helianthus annuus and Brassica juncea) a series of parallel test campaigns have been realized to investigate different scenarios for the reclamation...
August 10, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28793090/prevalence-of-erectile-dysfunction-oral-drugs-use-in-a-city-of-southern-brazil
#13
Daniel Vanti Duarte, María Clara Restrepo-Méndez, Mariângela Freitas da Silveira
The last decade has seen a breakthrough in the treatment of erectile dysfunction (ED) with the advent of phosphodiesterase-5 inhibitors. There are few population-based observational studies on the prevalence of use of these drugs. We conducted a cross-sectional population-based study in the city of Pelotas (Brazil). Our sample comprised 1,082 men aged 20 years or older who answered a confidential and self-administered questionnaire. Prevalence of EDD use was 5% (IC95% = 4%;7%). ED and advanced age were strongly associated with a higher prevalence of EDD use...
August 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28782086/investigation-of-different-ethylenediamine-n-n-disuccinic-acid-enhanced-washing-configurations-for-remediation-of-a-cu-contaminated-soil-process-kinetics-and-efficiency-comparison-between-single-stage-and-multi-stage-configurations
#14
Alberto Ferraro, Massimiliano Fabbricino, Eric D van Hullebusch, Giovanni Esposito
A comparison of Cu extraction yields for three different ethylenediamine-N,N'-disuccinic acid (EDDS)-enhanced washing configurations was performed on a Cu-contaminated soil. Batch experiments were used to simulate a single-stage continuous stirred tank reactor (CSTR) and a multi-stage (side feeding and counter-current) reactor. Single-stage CSTR conditions were simulated for various EDDS:(Cu + Cd + Pb + Co + Ni + Zn) molar ratio (EDDS:M ratio) (from 1 to 30) and liquid to soil (L/S) ratio (from 15 to 45). The highest Cu extraction yield (≃56%) was achieved with EDDS:M = 30...
August 7, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28780965/regulation-of-systemic-autoimmunity-and-cd11c-tbet-b-cells-by-swef-proteins
#15
Michela Manni, Edd Ricker, Alessandra B Pernis
Recent studies have revealed the existence of a T-bet dependent subset of B cells, which expresses unique phenotypic and functional characteristics including high levels of CD11c and CD11b. In the murine system this B cell subset has been termed Age/autoimmune-associated B cells (ABCs) since it expands with age in non-autoimmune mice and it prematurely accumulates in autoimmune-prone strains. The molecular mechanisms that promote the expansion and function of ABCs are largely unknown. This review will focus on the SWEF proteins, a small family of Rho GEFs comprised of SWAP-70 and its homolog DEF6, a newly identified risk variant for human SLE...
July 11, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28749230/the-history-of-children-s-nursing-and-its-direction-within-the-united-kingdom
#16
Sonya Clarke
This article presents an account of the "evolution of children's nursing." The pertinent topic was originally developed as part of a Doctorate in Education (EdD) as it was anticipated an understanding of children's nursing would provide a more comprehensive context for a doctoral study that aims to explore the child's experience of staying in Northern Ireland's regional children's hospital from the perspectives of children and children's nurses using child-centered methodology. Northern Ireland, England, Scotland, and Wales are the 4 countries collectively known as the United Kingdom (UK)...
September 2017: Compr Child Adolesc Nurs
https://www.readbyqxmd.com/read/28726450/charles-l-brewer-award-for-distinguished-teaching-of-psychology-regan-a-r-gurung
#17
(no author information available yet)
The American Psychological Foundation (APF) Charles L. Brewer Award for Distinguished Teaching of Psychology recognizes exemplary career contributions to the teaching of psychology. The 2017 recipient of the Charles L. Brewer Award for Distinguished Teaching of Psychology is Regan A. R. Gurung, PhD. Terence M. Keane, PhD, president of the APF, will present the APF Charles L. Brewer Award for Distinguished Teaching of Psychology at the 125th Annual Convention of the American Psychological Association on August 4, 2017, at 4:00 p...
July 2017: American Psychologist
https://www.readbyqxmd.com/read/28726449/gold-medal-award-for-life-achievement-in-the-science-of-psychology-lynn-nadel
#18
(no author information available yet)
The American Psychological Foundation (APF) Gold Medal Awards recognize distinguished and engaging records of accomplishment in 4 areas of psychology. The 2017 recipient of the Gold Medal Award for Life Achievement in the Science of Psychology is Lynn Nadel, PhD. Terence M. Keane, PhD, president of the APF, will present the APF Gold Medal Awards at the 125th Annual Convention of the American Psychological Association on August 4, 2017, at 4:00 p.m. Members of the 2017 APF Board of Trustees are Terence M. Keane, PhD, president; Melba J...
July 2017: American Psychologist
https://www.readbyqxmd.com/read/28726448/gold-medal-award-for-life-achievement-in-psychology-in-the-public-interest-joseph-everett-trimble
#19
(no author information available yet)
The American Psychological Foundation (APF) Gold Medal Awards recognize distinguished and engaging records of accomplishment in 4 areas of psychology. The 2017 recipient of the Gold Medal Award for Life Achievement in Psychology in Public Interest is Joseph Everett Trimble, PhD. Terence M. Keane, PhD, president of the APF, will present the APF Gold Medal Awards at the 125th Annual Convention of the American Psychological Association on August 4, 2017, at 4:00 p.m. Members of the 2017 APF Board of Trustees are: Terence M...
July 2017: American Psychologist
https://www.readbyqxmd.com/read/28726447/gold-medal-award-for-life-achievement-in-the-practice-of-psychology-rodney-r-baker
#20
(no author information available yet)
The American Psychological Foundation (APF) Gold Medal Awards recognize distinguished and engaging records of accomplishment in 4 areas of psychology. The 2017 recipient of the Gold Medal Award for Life Achievement in the Practice of Psychology is Rodney R. Baker, PhD. Terence M. Keane, PhD, president of the APF, will present the APF Gold Medal Awards at the 125th Annual Convention of the American Psychological Association on August 4, 2017, at 4:00 p.m. Members of the 2017 APF Board of Trustees are: Terence M...
July 2017: American Psychologist
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